成人学位英语三级词汇第56课单词卡片_成人学位英语三级单词卡_成人学位英语三级在线背单词_成人学位英语三级单词卡记忆法

1/20 报错

hydrogen [ˈhaɪdrədʒən]

释义：: n.氢元素，氢气

例句：: Water is made up of atoms of hydrogen and oxygen.
水由氢和氧的原子构成。换一句; A chemist can isolate the oxygen from the hydrogen in water.
一个化学家能把水中的氧和氢分解。换一句; Water is a compound containing the elements hydrogen and oxygen.
水是含有氢元素和氧元素的化合物. 换一句

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2/20 报错

rabbit ['ræbɪt]

释义：: n.兔子，野兔

例句：: I want a pet rabbit.
我想要一个宠物兔子。换一句; The rabbit turned and ran.
兔子转身跑了。换一句; The rabbit population was decimated by the disease.
这种疾病使大批兔子死亡。换一句

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3/20 报错

race [reɪs]

释义：: v.赛跑，竞赛
n.种族，赛跑；

例句：: The race will take place tomorrow.
比赛将于明天进行。换一句; Race relations are good here.
此地种族关系良好。换一句; a race between the two best runners of the club
俱乐部中两名最佳选手的赛跑换一句

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4/20 报错

racial [ˈreɪʃl]

释义：: adj.种族的；种族间的；由种族引起的

例句：: We should have racial pride.
我们应该有种族优越感。换一句; He spoke out against racial discrimination.
他声言反对种族歧视。换一句; Racial tension has reached boiling point .
种族间的紧张状态已达到一触即发的程度。换一句

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5/20 报错

rack [ræk]

释义：: vt.折磨；使紧张，使努力
n.挂架，搁架；

例句：: He went over and took his jacket from the coat rack.
到衣架上取外套。换一句; The old house soon went to rack and ruin.
这所旧房子很快就毁坏了。换一句; She has a big pot a rack at the bottom.
母亲有个底部安了搁架的大锅子. 换一句

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6/20 报错

radar ['reɪdɑ:(r)]

释义：: n.雷达，无线电探测器

构词：: rad=radi辐射,光线+ar器→n.雷达, 电波探测器

例句：: They are following the flight of an aircraft by radar.
他们正在用雷达追踪一架飞机的飞行。换一句; Enemy ships were detected on the radar.
敌舰的影像已显现在雷达上。换一句; They located the ship by radar.
他们通过雷达确定了船只的位置。换一句

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7/20 报错

radio ['reɪdɪəʊ]

释义：: v.无线电通讯
n.收音机；无线电报，无线电话；

构词：: radi辐射,光线+o物→收音机，无线电

例句：: The radio says it will be cloudy tomorrow.
无线电收音机报道明天多云。换一句; He learned English through the radio.
他通过无线电学习英语。换一句; He sold me a duff radio.
他卖给我一台不响的收音机。换一句

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8/20 报错

rag [ræɡ]

释义：: n.破布，抹布

例句：: It's just an old rag I had in the closet.
这只不过是我挂在壁橱里的旧衣服罢了。换一句; It looked like a piece of rag.
它看上去像块破布。换一句; Use a rag soaked in linseed oil.
使用浸过亚麻籽油的抹布. 换一句

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9/20 报错

rail [reɪl]

释义：: v.以横木围栏，铺铁轨
n.栏杆，铁轨，扶手；

例句：: They will soon ship the goods by rail.
他们很快就把货物用火车运去。换一句; She gripped the hand rail in the lift.
她紧紧抓着电梯里的扶手。换一句; The child hung onto the rail like grim death.
那孩子紧抓住栏杆不放手. 换一句

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10/20 报错

rainbow ['reɪnbəʊ]

释义：: n.虹，彩虹

例句：: There is a rainbow in the sky.
天上有一道彩虹。换一句; Sometimes there is a rainbow after rain.
有时候雨后会有彩虹。换一句; When the sun shines through a light rain, it makes a rainbow.
当太阳的光线穿过小雨时便形成了虹. 换一句

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11/20 报错

rainy ['reɪnɪ]

释义：: adj.下雨的，多雨的

构词：: rain雨+y……的→adj.下雨的,多雨的

例句：: London is a rainy and foggy city in Britain.
伦敦是英国多雨和多雾的城市。换一句; I prefer sunny days to rainy days.
我喜欢和煦的日子，不太喜欢下雨的日子。换一句; She might cry, bur it was in a soft , rainy, relieving way.
她也许哭泣, 但那也只是温和的、象下雨似的发泄一下. 换一句

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12/20 报错

raise [reɪz]

释义：: v.提高，举起；饲养，养育；引起，惹起

构词：: rais升起,唤醒+e→n.&v.上升, 提出 n.高地

例句：: Why didn't you raise the question at the meeting?
这问题你怎么没有在会上提出来？换一句; He went to ask for a raise.
他要求增加工资。换一句; The club members voted with one accord to raise the dues.
俱乐部成员一致通过提高会费. 换一句

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13/20 报错

range [reɪndʒ]

释义：: vi.平行，延伸，漫游
vt.排列，归类于，使并列，放牧；
n.山脉，行列，范围，射程；

构词：: range排列,顺序→n.范围,领域;排列,连续;[山]脉v.排列成行

例句：: The two countries are separated by a range of mountains.
这两个国家被一条山脉隔开。换一句; This weapon can kill at a range of 200 yards.
这种兵器在200码内有杀伤力。换一句; A new methodalignment of the laser range finders aim axis and receiving axis was put forward.
介绍一种测试设备,它可对激光测距机的接收光轴与瞄准光轴的平行度进行测试. 换一句

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14/20 报错

rank [ræŋk]

释义：: v.分级，分类；排列
n.军衔，社会阶层；排；

构词：: rank排列,顺序→等级

例句：: He was reduced in rank.
他被降级了。换一句; He is a physicist of the first rank.
他是一流的物理学家。换一句; It is therefore easy to rank a collection of images by their entropy.
因此用图像的熵值来将其分级变得很简单. 换一句

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15/20 报错

rapid ['ræpɪd]

释义：: n.急流
adj.迅速的，急促的；

例句：: She had a strong will and power of rapid decision.
她具有坚强的意志和速决的才能。换一句; He has made rapid progress in his studies.
他在学业上有着迅速的进步。换一句; Floating debris and strainers make even an easy rapid quite hazardous.
漂浮的碎片或者物体令到即使是很简单的急流也变得非常险要. 换一句

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16/20 报错

rare [reə(r)]

释义：: adv.非常
adj.稀罕的，罕有的，珍贵的，稀薄的，半熟的，非常的；

例句：: It is rare to see a man over 160 years old.
很少见到一个人能活到160岁。换一句; The zoo has a lot of rare animals in it.
这个动物园有许多珍奇的动物。换一句; Historically, expropriation is rare but very visible.
从历史上看, 征用的事例虽然不多,但却非常瞩目. 换一句

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17/20 报错

rarely [ˈrɛəli]

释义：: adv.很少，难得；非常地，非凡地

例句：: Such fish is rarely met with in the north country.
这种鱼在北方难得看到。换一句; He rarely comes here anymore.
现在他难得来这儿了。换一句; I deal with customers on the phone and rarely meet them face-to-face.
我用电话和客户打交道，很少和他们见面。换一句

您还可以临摹下单词：

18/20 报错

rat [ræt]

释义：: vt.弄蓬松，告发
vi.背叛，捕鼠；
n.鼠，卑鄙的人，变节者；

例句：: The rat is hated by many people.
老鼠被很多人憎恶。换一句; He stopped up the rat holes.
他塞住了那些老鼠洞。换一句; Never rat. If your parents ask about bruises, shrug.
不能背叛. 假如父母问起身上的瘀伤, 要表现得无所谓. 换一句

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19/20 报错

rate [reɪt]

释义：: vi.被评价
vt.估价，认为，鉴定等级，责骂；
n.比率，率，速度，价格，费用，等级；

构词：: rat计算,考虑+e→估价；评价→比率；等级

例句：: England will increase the rate from 5 to 6 per cent.
英国将提高利息从5%到6%。换一句; How do you rate our team's chances of winning?
你认为我们队获胜的概率是多少？换一句; The insurance rate is an approximate assessment of the probability of a specific disaster.
保险费是某一特定灾难事件的概率的近似估价. 换一句

您还可以临摹下单词：

20/20 报错

rather ['rɑ:ðə(r)]

释义：: adv.宁愿，宁可；相当

例句：: I would rather go out tonight,if you don't mind.
如果你不介意的话，我宁愿今晚出去。换一句; This book is rather too easy for this boy.
这本书对于这个孩子来说太简单。换一句; I'd rather meet him here on my own home ground.
我宁愿在我自己的地盘上见他。换一句

您还可以临摹下单词：

小易英语背单词